package demo7;

import java.util.*;

public class Test {
    public static void main(String[] args) {
        List<Integer> list = new LinkedList<>();
        LinkedList<Integer> linkedList = new LinkedList<>();
        Deque<Integer> deque = new LinkedList<>();
        Queue<Integer> queue = new LinkedList<>();


        Deque<Integer> deque1 = new ArrayDeque<>();
    }
}
